i2c/busses/i2c-mlxbf.c

390 	struct mlxbf_i2c_smbus_operation operation[MLXBF_I2C_SMBUS_MAX_OP_CNT];
739 	struct mlxbf_i2c_smbus_operation *operation;
776 		operation = &request->operation[op_idx];
777 		flags = operation->flags;
784 		 * submitted by the first operation only.
793 			write_len += operation->length;
794 			if (data_idx + operation->length >
800 			       operation->buffer, operation->length);
801 			data_idx += operation->length;
812 			read_len = operation->length - 1;
813 			read_buf = operation->buffer;
849 		 * After a read operation the SMBus FSM ps (present state)
871 	request->operation[0].length = 0;
872 	request->operation[0].flags = MLXBF_I2C_F_WRITE;
873 	request->operation[0].flags |= read ? MLXBF_I2C_F_READ : 0;
881 	request->operation[0].length = 1;
882 	request->operation[0].length += pec_check;
884 	request->operation[0].flags = MLXBF_I2C_F_SMBUS_OPERATION;
885 	request->operation[0].flags |= read ?
887 	request->operation[0].flags |= pec_check ? MLXBF_I2C_F_SMBUS_PEC : 0;
889 	request->operation[0].buffer = data;
898 	request->operation[0].length = 1;
899 	request->operation[0].flags =
901 	request->operation[0].flags |= pec_check ? MLXBF_I2C_F_SMBUS_PEC : 0;
902 	request->operation[0].buffer = command;
904 	request->operation[1].length = 1;
905 	request->operation[1].length += pec_check;
906 	request->operation[1].flags = read ?
908 	request->operation[1].buffer = data;
917 	request->operation[0].length = 1;
918 	request->operation[0].flags =
920 	request->operation[0].flags |= pec_check ? MLXBF_I2C_F_SMBUS_PEC : 0;
921 	request->operation[0].buffer = command;
923 	request->operation[1].length = 2;
924 	request->operation[1].length += pec_check;
925 	request->operation[1].flags = read ?
927 	request->operation[1].buffer = data;
937 	request->operation[0].length = 1;
938 	request->operation[0].flags =
940 	request->operation[0].flags |= pec_check ? MLXBF_I2C_F_SMBUS_PEC : 0;
941 	request->operation[0].buffer = command;
945 	 * per block operation is 32 bytes. In Golan code, the controller can
948 	request->operation[1].length =
951 	request->operation[1].flags = read ?
957 	request->operation[1].buffer = data + 1;
959 	*data_len = request->operation[1].length;
972 	request->operation[0].length = 1;
973 	request->operation[0].flags =
975 	request->operation[0].flags |= MLXBF_I2C_F_SMBUS_BLOCK;
976 	request->operation[0].flags |= pec_check ? MLXBF_I2C_F_SMBUS_PEC : 0;
977 	request->operation[0].buffer = command;
979 	request->operation[1].length =
982 	request->operation[1].flags = read ?
984 	request->operation[1].buffer = data + 1;
986 	*data_len = request->operation[1].length;
999 	request->operation[0].length = 1;
1000 	request->operation[0].flags =
1002 	request->operation[0].flags |= MLXBF_I2C_F_SMBUS_BLOCK;
1003 	request->operation[0].flags |= pec_check ? MLXBF_I2C_F_SMBUS_PEC : 0;
1004 	request->operation[0].buffer = command;
1006 	request->operation[1].length = 2;
1007 	request->operation[1].flags = MLXBF_I2C_F_WRITE;
1008 	request->operation[1].buffer = data;
1010 	request->operation[2].length = 3;
1011 	request->operation[2].flags = MLXBF_I2C_F_READ;
1012 	request->operation[2].buffer = data;
1024 	request->operation[0].length = 1;
1025 	request->operation[0].flags =
1027 	request->operation[0].flags |= MLXBF_I2C_F_SMBUS_BLOCK;
1028 	request->operation[0].flags |= (pec_check) ? MLXBF_I2C_F_SMBUS_PEC : 0;
1029 	request->operation[0].buffer = command;
1034 	request->operation[1].length = length - pec_check;
1035 	request->operation[1].flags = MLXBF_I2C_F_WRITE;
1036 	request->operation[1].buffer = data;
1038 	request->operation[2].length = length;
1039 	request->operation[2].flags = MLXBF_I2C_F_READ;
1040 	request->operation[2].buffer = data;